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BOSTON MARATHON 2025

Michael Khau

Bib: 22353•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:51
Rank: #20707
Start → 5K
26:51 | 8:39/mi
10K· 6.21 mi
53:54
Rank: #20764 (-57)
5K → 10K
27:03 | 8:42/mi
15K· 9.32 mi
1:21:03
Rank: #20733 (+31)
10K → 15K
27:09 | 8:44/mi
20K· 12.43 mi
1:49:04
Rank: #20802 (-69)
15K → 20K
28:01 | 9:01/mi
Half· 13.11 mi
1:54:49
Rank: #20712 (+90)
20K → Half
5:45 | 8:26/mi
25K· 15.53 mi
2:16:46
Rank: #20648 (+64)
Half → 25K
21:57 | 9:03/mi
30K· 18.64 mi
2:46:04
Rank: #20407 (+241)
25K → 30K
29:18 | 9:26/mi
20M
2:59:02
Rank: #20333 (+74)
30K → 20M
12:58 | 9:33/mi
21M
3:09:05
Rank: #20224 (+109)
20M → 21M
10:03 | 10:03/mi
35K· 21.75 mi
3:15:39
Rank: #20097 (+127)
21M → 35K
6:34 | 8:47/mi
23M
3:27:15
Rank: #19969 (+128)
35K → 23M
11:36 | 9:16/mi
24M
3:35:36
Rank: #19715 (+254)
23M → 24M
8:21 | 8:21/mi
40K· 24.85 mi
3:43:19
Rank: #19596 (+119)
24M → 40K
7:43 | 9:02/mi
25.2M
3:46:40
Rank: #19534 (+62)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:55:41
Rank: #19489 (+45)
25.2M → Finish
9:01 | 8:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:49
Pace8:45 /mi
2nd Half
Distance13.11 mi
Time2:00:52
Pace9:13 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0526:518:3926:51
8:39
-
10K
6.21 mi11:49:0853:548:4027:03
8:42
+0:03
15K
9.32 mi12:16:171:21:038:4227:09
8:44
+0:02
20K
12.43 mi12:44:181:49:048:4728:01
9:01
+0:17
Half
13.11 mi12:50:031:54:498:455:45
8:26
-0:35
25K
15.53 mi13:12:002:16:468:4821:57
9:03
+0:37
30K
18.64 mi13:41:182:46:048:5529:18
9:26
+0:23
20M
20.00 mi13:54:162:59:028:5712:58
9:33
+0:07
21M
21.00 mi14:04:193:09:059:0010:03
10:03
+0:30
35K
21.75 mi14:10:533:15:399:006:34
8:47
-1:16
23M
23.00 mi14:22:293:27:159:0111:36
9:16
+0:29
24M
24.00 mi14:30:503:35:368:598:21
8:21
-0:55
40K
24.85 mi14:38:333:43:198:597:43
9:02
+0:41
25.2M
25.20 mi14:41:543:46:409:003:21
9:43
+0:41
Finish
26.22 mi14:50:553:55:419:009:01
8:51
-0:52

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:21 /mi

Average Pace

9:00 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:43

43% of race

Time at Steady Pace

1:06:42

28% of race

Time at Slower Pace

1:07:16

29% of race

Average Pace: 8:59 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:22:0526:518:3926:51
8:39
#20707
10K
6.21 mi11:49:0853:548:4027:03
8:42
#20764
15K
9.32 mi12:16:171:21:038:4227:09
8:44
#20733
20K
12.43 mi12:44:181:49:048:4728:01
9:01
#20802
Half
13.11 mi12:50:031:54:498:455:45
8:26
#20712
25K
15.53 mi13:12:002:16:468:4821:57
9:03
#20648
30K
18.64 mi13:41:182:46:048:5529:18
9:26
#20407
20M
20.00 mi13:54:162:59:028:5712:58
9:33
#20333
21M
21.00 mi14:04:193:09:059:0010:03
10:03
#20224
35K
21.75 mi14:10:533:15:399:006:34
8:47
#20097
23M
23.00 mi14:22:293:27:159:0111:36
9:16
#19969
24M
24.00 mi14:30:503:35:368:598:21
8:21
#19715
40K
24.85 mi14:38:333:43:198:597:43
9:02
#19596
25.2M
25.20 mi14:41:543:46:409:003:21
9:43
#19534
Finish
26.22 mi14:50:553:55:419:009:01
8:51
#19489
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi20707127301273020676(Top 73%)12800(Top 79%)12800(Top 1017%)
10K6.21 mi3.10 mi20764-5712787-5712787-5720895(Top 74%)12874(Top 80%)12874(Top 1023%)
15K9.32 mi3.11 mi20733+3112792-512792-520676(Top 73%)12800(Top 79%)12800(Top 1017%)
20K12.43 mi3.11 mi20802-6912817-2512817-2521059(Top 74%)12906(Top 80%)12906(Top 1025%)
Half13.11 mi0.68 mi20712+9012774+4312774+4318722(Top 66%)11931(Top 74%)11931(Top 948%)
25K15.53 mi2.42 mi20648+6412744+3012744+3020131(Top 71%)12468(Top 77%)12468(Top 990%)
30K18.64 mi3.11 mi20407+24112586+15812586+15819659(Top 69%)12131(Top 75%)12131(Top 964%)
20M20.00 mi1.36 mi20333+7412536+5012536+5019347(Top 68%)11850(Top 74%)11850(Top 941%)
21M21.00 mi1.00 mi20224+10912459+7712459+7718484(Top 65%)11388(Top 71%)11388(Top 905%)
35K21.75 mi0.75 mi20097+12712394+6512394+6517126(Top 60%)10674(Top 66%)10674(Top 848%)
23M23.00 mi1.25 mi19969+12812310+8412310+8417619(Top 62%)10778(Top 67%)10778(Top 856%)
24M24.00 mi1.00 mi19715+25412173+13712173+13713568(Top 48%)8940(Top 56%)8940(Top 710%)
40K24.85 mi0.85 mi19596+11912106+6712106+6716447(Top 58%)10130(Top 63%)10130(Top 805%)
25.2M25.20 mi0.35 mi19534+6212065+4112065+4115669(Top 55%)9735(Top 60%)9735(Top 773%)
Finish26.22 mi1.02 mi19489+4512032+3312032+3318275(Top 64%)11008(Top 68%)11008(Top 874%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

20676

Males

12800

M60-64

12800

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

20895

Males

12874

M60-64

12874

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

20676

Males

12800

M60-64

12800

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

21059

Males

12906

M60-64

12906

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18722

Males

11931

M60-64

11931

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20131

Males

12468

M60-64

12468

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

19659

Males

12131

M60-64

12131

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19347

Males

11850

M60-64

11850

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

18484

Males

11388

M60-64

11388

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

17126

Males

10674

M60-64

10674

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17619

Males

10778

M60-64

10778

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13568

Males

8940

M60-64

8940

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16447

Males

10130

M60-64

10130

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15669

Males

9735

M60-64

9735

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18275

Males

11008

M60-64

11008

Passing Analysis

Category:
Athletes Passed
2334
Passed By
1116
Net Change
+1218
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20707
5K → 10K257314-57#20707#20764
10K → 15K209178+31#20764#20733
15K → 20K158227-69#20733#20802
20K → Half922+90#20802#20712
Half → 25K183119+64#20712#20648
25K → 30K33695+241#20648#20407
30K → 20M13157+74#20407#20333
20M → 21M15243+109#20333#20224
21M → 35K1336+127#20224#20097
35K → 23M15224+128#20097#19969
23M → 24M2562+254#19969#19715
24M → 40K1278+119#19715#19596
40K → 25.2M675+62#19596#19534
25.2M → Finish8136+45#19534#19489
TOTALS23341116+1218
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing